1: (2 7 20)

(0 19 3)(1 6 4)(2 9 7 17 16)(5 11 8)(10 14 12)(13 18 15)(20)

2: (2 9 16)

(0 19 3)(1 6 4)(2)(5 11 8)(7 17 16)(9)(10 14 12)(13 18 15)(20)

3: (0 19 3)

(0)(1 6 4)(2)(3)(5 11 8)(7 17 16)(9)(10 14 12)(13 18 15)(19)(20)

4: (5 11 8)

(0)(1 6 4)(2)(3)(5)(7 17 16)(8)(9)(10 14 12)(11)(13 18 15)(19)(20)